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1308226 = 219173199
BaseRepresentation
bin100111111011001000010
32110110112211
410333121002
5313330401
644012334
714056033
oct4773102
92413484
101308226
11813987
125310aa
1336a5ca
14260a8a
151ac951
hex13f642

1308226 has 16 divisors (see below), whose sum is σ = 2088000. Its totient is φ = 613008.

The previous prime is 1308221. The next prime is 1308247. The reversal of 1308226 is 6228031.

It is a super-2 number, since 2×13082262 = 3422910534152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1308197 and 1308206.

It is not an unprimeable number, because it can be changed into a prime (1308221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6475 + ... + 6673.

It is an arithmetic number, because the mean of its divisors is an integer number (130500).

21308226 is an apocalyptic number.

1308226 is a deficient number, since it is larger than the sum of its proper divisors (779774).

1308226 is a wasteful number, since it uses less digits than its factorization.

1308226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1308226 is about 1143.7770761822. Note that the first 3 decimals coincide. The cubic root of 1308226 is about 109.3690044060.

The spelling of 1308226 in words is "one million, three hundred eight thousand, two hundred twenty-six".

Divisors: 1 2 19 38 173 199 346 398 3287 3781 6574 7562 34427 68854 654113 1308226